CVE-2026-94520 MEDIUM

CVE-2026-94520: Microsoft SQL Server Denial of Service Vulnerability

Vendor Microsoft
Product Microsoft SQL Server 2017 (GDR)
Weakness CWE-134
Published October 13, 2026
Last update October 16, 2026

CVSS base score

4.9/10
Attack vector Network
Attack complexity Low
Privileges required High
User interaction None
Confidentiality None
Integrity None

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C

What the vulnerability does

01Description

Use of externally-controlled format string in SQL Server allows an authorized attacker to deny service over a network.

Key dates

02Disclosure timeline

October 13, 2026 CVE published
October 16, 2026 Record updated